<!--注解适配器 --> 
 
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"> 
 
<property name="messageConverters"> 
 
<list> 
 
<bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"></bean> 
 
</list> 
 
</property> 
 
</bean>

// 商品修改提交json信息，响应json信息 
 
@RequestMapping("/editItemSubmit_RequestJson") 
 
public @ResponseBody Items editItemSubmit_RequestJson(@RequestBody Items items) throws Exception { 
 
System.out.println(items); 
 
//itemService.saveItem(items); 
 
return items; 
 
 
 
} 

<script type="text/JavaScript"
src="${pageContext.request.contextPath }/js/jQuery-1.4.4.min.js"></script>

//请求json响应json 
 
function request_json(){ 
 
$.ajax({ 
 
type:"post", 
 
url:"${pageContext.request.contextPath }/item/editItemSubmit_RequestJson.action", 
 
contentType:"application/json;charset=utf-8", 
 
data:'{"name":"测试商品","price":99.9}', 
 
success:function(data){ 
 
alert(data); 
 
} 
 
}); 
 
} 

// 商品修改提交，提交普通form表单数据，响应json 
 
@RequestMapping("/editItemSubmit_ResponseJson") 
 
public @ResponseBody Items editItemSubmit_ResponseJson(Items items) throws Exception { 
 
 
 
System.out.println(items); 
 
 
 
//itemService.saveItem(items); 
 
return items; 
 
} 

function formsubmit(){ 
 
var user = " name=测试商品&price=99.9"; 
 
alert(user); 
 
 $.ajax( 
 
{ 
 
type:'post',//这里改为get也可以正常执行 
 
url:'${pageContext.request.contextPath}/item/ editItemSubmit_RequestJson.action', 
 
//ContentType没指定将默认为：application/x-www-form-urlencoded 
 
data:user, 
 
success:function(data){ 
 
alert(data.name); 
 
} 
 
} 
 
) 
 
} 

<script type="text/javascript"
src="${pageContext.request.contextPath }/js/jquery-1.4.4.min.js"></script>
<script type="text/javascript"
src="${pageContext.request.contextPath }/js/jquery.form.min.js"></script>

function response_json() { 
 
//form对象 
 
var formObj = $("#itemForm"); 
 
//执行ajax提交 
 
formObj.ajaxSubmit({ 
 
dataType : "json",//设置预期服务端返回json 
 
success : function(responseText) { 
 
alert(responseText); 
 
} 
 
}); 
 
}